C. Write short answers.
1. What is a surgery?
2. How does pasteurisation help to keep us healthy?
3. Why is Dr Joseph Lister remembered?
Answers
1. Surgery is a medical treatment in which your body is cut open so that part of it can be removed or repaired.
2.Pasteurization is the process by which food products (such as juice and dairy products) are mildly heated to kill off harmful bacteria, salmonella, and other disease-causing pathogens. These products are thus made safe for consumption. So this way pasteurization keep us healthy.
3.Lister introduced carbolic acid (now known as phenol) to sterilise surgical instruments and to clean wounds. He is also known as the the "father of modern surgery".
Answer
1. It is a branch of medical practise that treats injuries , diseases and deformities by the physical removal repair , or readjustment of organs and tissues , often involving cutting into the body
2. Pasteurization is s process where certain foods are quickly heated for a short time to kill bacteria that can make you sick. It helps to kill bacteria and make our food healthy.
3. DR Joseph Lister introduced carbolic acid to sterilise surgical instruments and to clean wounds.